"If we don't find a way to prevent infection, we're going to wind up with more people infected in that part of the world than we have now," said Emilio Emini, director of the HIV program at the Gates Foundation.But "its real-world effectiveness is much lower than that because you have to take a pill" every day and getting healthy people to do so is difficult, Dr. Emini said.
That is what makes Intarcia's pump so attractive, he said.
"You put it in and you forget it," he said, likening it to long-acting forms of contraception.

Guided by the belief that every life has equal value, the Bill & Melinda Gates Foundation works to help all people lead healthy, productive lives. In developing countries, it focuses on improving people's health with vaccines and other lifesaving tools and giv...more